이 생길

… will come up

→ 이
phrase Very common #1,529
… will come up The subject marker 이 follows a noun; 생기다 can describe something arising or someone entering a person’s life, depending on the subject.
KO: 일이 생길 거예요.
EN: Something will come up.

이제 네 방이 생길 거 다

You’ll have your own room now.

— 양철북 (1979)